Portion of a shoe upper



FIG. 1 is a front perspective view of a portion of a shoe upper showing my new design;

FIG. 2 is a side view thereof;

FIG. 3 is a top view thereof; and,

FIG. 4 is a front view thereof.

The uneven broken line showing the eyelet element within the shaded area is for illustrative purposes only and forms no part of the claimed design. The uneven broken line immediately adjacent to the shaded area represents an unclaimed boundary of the design. The uneven broken line showing of the remainder of the shoe forms no part of the claimed design. 

The ornamental design for a portion of a shoe upper, as shown ands described. 